 
(* ::Section:: *)
(* OPESum *)
(* ::Text:: *)
(*OPESum[exp, {i, 0, m}] denotes a symbolic sum.The syntax is the same as for Sum..*)


(* ::Subsection:: *)
(* See also *)
(* ::Text:: *)
(*OPESumExplicit, OPESumSimplify.*)



(* ::Subsection:: *)
(* Examples *)



OPESum[SO[p]^OPEiSO[k]^(OPEm-OPEi-3),{OPEi,0,OPEm-3}]

OPESumExplicit[%]

 OPESum[a^ib^(j-i)c^(m-j-4),{i,0,j},{j,0,m-4}]

OPESumExplicit[%]
